Finding the Fourth Proportional to 568,001.91, 783,842.58 and 313,353.09
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Solution
The fourth proportional to 568,001.91, 783,842.58 and 313,353.09 is: 432,427.23
Step by Step Solution
- Step 1: Write the proportion equation
568,001.91 : 783,842.58 = 313,353.09 : x - Step 2: Convert to fraction form
568,001.91/783,842.58 = 313,353.09/x - Step 3: Cross multiply
568,001.91x = 783,842.58 × 313,353.09 - Step 4: Simplify right side
568,001.91x = 245,619,494,516.57 - Step 5: Solve for x
x = 245,619,494,516.57/568,001.91 - Step 6: Final answer
x = 432,427.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.